CN104219202A

CN104219202A - Method for realizing VoLTE business, system and HSS

Info

Publication number: CN104219202A
Application number: CN201310211110.8A
Authority: CN
Inventors: 李中科; 朱玉娜
Original assignee: ZTE Corp
Current assignee: ZTE Corp
Priority date: 2013-05-30
Filing date: 2013-05-30
Publication date: 2014-12-17
Anticipated expiration: 2033-05-30
Also published as: CN104219202B

Abstract

The present invention discloses a method for realizing a VoLTE business. The method includes the following steps: receiving, by an IMS HSS, a user data operation request of a VoLTE business initiated by a business centralizing and continuously applying server, and forwarding the user data operation request to an HLR/EPC HSS; performing, by the HLR/EPC HSS, a corresponding operation according to the user data operation request, and returning an operation result to the IMS HSS; and transmitting, by the IMS HSS, the operation result as a user data operation responding message to the business centralizing and continuously applying server. The present invention further discloses an IMS HSS and an HLR/EPC HSS, and includes a system of the IMS HSS and HLR/EPC HSS for realizing a VoLTE business. Using the solution disclosed by the present invention, business related to VoLTE can be carried out through interaction between the HLR/EPC HSS and the IMS HSS under the condition that the HLR/EPC HSS and IMS HSS are deployed independently.

Description

Realize the method for VoLTE business, system and HSS

Technical field

The present invention relates to mobile communication technology field, be related specifically to a kind of method, system and the IMS HSS and HLR/EPC HSS that realize VoLTE business.

Background technology

Forth generation radio data network (Long Term Evolution, LTE) be the new generation broadband wireless mobile communication technology of current international mainstream, it is towards packet switch domain service, circuit domain business can not be provided as traditional 2G/3G network, therefore how provide speech business to become a problem of industry concern in LTE network.For this reason, third generation partner program (3rd Generation Partnership Project, 3GPP) normalized definition LTE and mobile network's evolution target are IP multimedia subsystem, IMS (the IP Multimedia Subsystem adopting Internet protocol IP, IMS) multi-media voice business is provided to user, now IMS is as Service control layer system, the data core net (Evolved Packet Core, EPC) of LTE and evolution is only as bearing bed.

3GPP is for voice (the Voice over LTE based on LTE, the problem of VoLTE) disposing, single wireless voice calling continuity (the enhanced Single Radio Voice Call Continuity that standardization strengthens, enhanced SRVCC), exhale solution or the flow processs such as access domain selection (Terminating-Access Domain Selection, T-ADS) eventually.And in these schemes, 3GPP is by IMS home subscriber server (IMS Home Subscriber Server, IMS HSS), attaching position register (Home Location Register, and EPC home subscriber server (EPC Home Subscriber Server HLR), EPC HSS) unified in " HSS " category of a broad sense, 3GPP thinks that HLR/EPC HSS and IMS HSS is disposed in operator's unification, or dispose HLR/EPC HSS and IMS HSS separately, not in the scope of normalized definition, when it is disposed separately these network elements, introduced by above-mentioned flow process they between interactive standards more do not mention.And in fact, the HLR/EPC HSS of current operator deployment and IMS HSS separately disposes, because HLR/EPC HSS and IMS HSS cannot be mutual, the related service such as enhancing SRVCC and T-ADS thus based on LTE cannot be carried out.

Summary of the invention

Main purpose of the present invention is for providing a kind of method, system and the HSS that realize VoLTE business, can when HLR/EPC HSS and IMS HSS independently disposes, mutual by between HLR/EPC HSS and IMS HSS, makes the related service of VoLTE be carried out.

The invention provides a kind of method realizing VoLTE business, comprise step:

IMS home subscriber server IMS HSS receives the user data operation requests of the VoLTE business of service set and application server for continuity initiation, described user data operation requests is forwarded to attaching position register and EPC home subscriber server HLR/EPC HSS;

HLR/EPC HSS operates accordingly according to described user data operation requests, and returns operating result to IMS HSS;

Described operating result is sent to service set and application server for continuity with user data operation response message by IMS HSS.

Preferably, the user data operation requests of described VoLTE business comprises:

When described VoLTE business is the single wireless voice calling continuity business strengthened, described user data operation requests is the operation requests that instruction upgrades conversation shift number, or be the operation requests that the single wireless voice calling continuity ability of user and instruction renewal conversation shift number are read in instruction that service set and application server for continuity are initiated;

When described VoLTE business is that when exhaling access domain selection business eventually, described user data operation requests is the operation requests of exhaling access domain selection information end of the instruction inquiring user that service set and application server for continuity are initiated; The end of described user exhales access domain selection information to comprise: the ability supporting IMS voice, or comprise the ability and latest activities time of supporting IMS voice, or comprise the ability and latest activities wireless access type of supporting IMS voice, or comprise support IMS voice ability, latest activities time and latest activities wireless access type.

Preferably, described IMS HSS receives the user data operation requests of the VoLTE business of service set and application server for continuity initiation, described user data operation requests is forwarded to HLR/EPC HSS and comprises:

When the user data operation requests that IMS HSS receives is the single wireless voice calling continuity ability of instruction reading user, HLR/EPC HSS to this user attaching sends user data read requests, and the single wireless voice calling continuity ability of user is read in request;

When the user data operation requests that IMS HSS receives upgrades conversation shift for instruction, the HLR/EPC HSS to this user attaching sends user data update request, and request upgrades conversation shift number;

When exhaling access domain selection information the end that the user data operation requests that IMS HSS receives is instruction inquiring user, the HLR/EPC HSS to this user attaching sends user data query request, and the end of requesting query user exhales access domain selection information.

Preferably, described HLR/EPC HSS operates accordingly according to described user data operation requests, and returns operating result and comprise to IMS HSS:

When receiving the user data read requests reading single wireless voice calling continuity ability, the single wireless voice calling continuity ability of the user stored this locality reads response message with user data and is back to IMS HSS;

When receiving user data update request, the conversation shift received number is sent to mobile management entity or general packet radio service node by inserting request under user data update;

When receiving slotting response message under the renewal from mobile management entity or general packet radio service node, the result of inserting under conversation shift number is returned to IMS HSS with the form that user data update responds.

Preferably, described HLR/EPC HSS operates accordingly according to described user data operation requests, and returns operating result and also comprise to IMS HSS:

When receiving user data update request, the conversation shift number according to receiving upgrades local session migration number;

Judge whether the conversation shift that receives number and local session move number consistent, if, then return user data update response message to IMS HSS, if not, then the local session migration after renewal number is sent to mobile management entity or general packet radio service node by inserting request under user data update, and receive to insert response message under the renewal from mobile management entity or general packet radio service node time, the result of inserting under conversation shift number is returned to IMS HSS with the form that user data update responds.

When receiving user data query request, under mobile management entity and general packet radio service node initiate user data query, insert request, the input field information of the user that the current tracking area of requesting query and current routing area upgrade;

The input field information comprising the user that current tracking area and current routing area upgrade receiving that mobile management entity and general packet radio service node return, the input field information of the user that the input field information of the user of more described current tracing section updating and described current routing area upgrade;

Access domain selection information is exhaled to be back to IMS HSS with user data query response message the end contacted recently.

The present invention also provides a kind of IMS HSS, comprising:

Request forward module, for receiving the user data operation requests of the VoLTE business of service set and application server for continuity initiation, is forwarded to HLR/EPC HSS by described user data operation requests;

Result delivery module, operates for being carried out according to described user data operation requests by the HLR/EPC received HSS the operating result returned accordingly, is sent to service set and application server for continuity with user data operation response message.

Preferably, described request forwarding module is used for:

The present invention also provides a kind of HLR/EPC HSS, comprising:

Result returns module, for operating accordingly according to described user data operation requests, and returns operating result to IMS HSS.

Preferably, described result return module for:

Preferably, described result return module concrete also for:

The present invention further provides a kind of system realizing VoLTE business, comprise IMS HSS and HLR/EPC HSS, wherein:

Described IMS HSS, for receiving the user data operation requests of the VoLTE business of service set and application server for continuity initiation, is forwarded to HLR/EPC HSS by described user data operation requests; The operating result returned by HLR/EPC HSS is sent to service set and application server for continuity with user data operation response message;

Described HLR/EPC HSS, for operating accordingly according to described user data operation requests, and returns operating result to IMS HSS.

Preferably, described IMS HSS specifically for:

Preferably, described HLR/EPC HSS is used for:

Preferably, described HLR/EPC HSS also for:

The present invention is by after the user data operation requests of VoLTE business that receives service set and application server for continuity as IMS HSS and initiate, forward it to HLR/EPC HSS, and after operating accordingly according to user data operation requests at HLR/EPC HSS and returning operating result to IMS HSS, by IMS HSS, operating result is sent to service set and application server for continuity with user data operation response message, what achieve by between HLR/EPC HSS and IMS HSS is mutual, and the related service of VoLTE is carried out.

Accompanying drawing explanation

Fig. 1 is the schematic flow sheet that the present invention realizes method one embodiment of VoLTE business;

Fig. 2 is that the present invention realizes IMS HSS in the method for VoLTE business and forwards the schematic flow sheet of user data operation requests to HLR/EPC HSS;

Fig. 3 is that the present invention realizes HLR/EPC HSS in the method for VoLTE business and returns the schematic flow sheet of operating result to the first execution mode of IMS HSS;

Fig. 4 is that the present invention realizes HLR/EPC HSS in the method for VoLTE business and returns the schematic flow sheet of operating result to IMS HSS the second execution mode;

Fig. 5 is that the present invention realizes HLR/EPC HSS in the method for VoLTE business and returns the schematic flow sheet of operating result to the third execution mode of IMS HSS;

Fig. 6 is the structural representation of IMS HSS mono-embodiment of the present invention;

Fig. 7 is the structural representation of HLR/EPC HSS mono-embodiment of the present invention;

Fig. 8 is the structural representation that the present invention realizes system one embodiment of VoLTE business.

The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.

Embodiment

Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.

The invention provides a kind of method realizing VoLTE business, when IMS HSS and HLR/EPC HSS independently disposes, mutual by IMS HSS and HLR/EPC HSS, makes to strengthen the business relevant to VoLTE such as SRVCC with T-ADS and is carried out.The method, to strengthen SRVCC business and T-ADS is described, also can be applied to other business relevant to VoLTE by the embodiment of the present invention.

Reference Fig. 1, Fig. 1 are the schematic flow sheet that the present invention realizes method one embodiment of VoLTE business.

The method of VoLTE business that what the present embodiment provided realize, comprises step:

Step S10, IMS HSS receives the user data operation requests of the VoLTE business of service set and application server for continuity initiation, and user data operation requests is forwarded to HLR/EPC HSS;

What receive that service set and application server for continuity SCC AS initiate as IMS HSS is used to indicate in the business relevant to VoLTE, after user data operation requests to the VoLTE business that user data operates, carry out alternately with HLR/EPC HSS, be forwarded to HLR/EPC HSS by this user data operation requests, request HLR/EPC HSS operates user data accordingly according to user data operation requests.In the present embodiment, the business relevant to VoLTE can comprise the single wireless voice calling continuity business of enhancing and exhale the speech businesses such as input field business eventually; When VoLTE business is the single wireless voice calling continuity business strengthened, user data operation requests can upgrade the operation requests of conversation shift number for instruction, also can be the operation requests that the single wireless voice calling continuity ability of user and instruction renewal conversation shift number are read in instruction that service set and application server for continuity are initiated; When VoLTE business is that when exhaling access domain selection business eventually, user data operation requests is the operation requests of exhaling access domain selection information end of the instruction inquiring user that service set and application server for continuity are initiated; The end of user exhales access domain selection information can comprise the ability supporting IMS voice, also the ability and latest activities time of supporting IMS voice can be comprised, also can comprise the ability and latest activities wireless access type of supporting IMS voice, the ability of support IMS voice, latest activities time and latest activities wireless access type can also be comprised.

Be that the present invention realizes IMS HSS in the method for VoLTE business and forwards the schematic flow sheet of user data operation requests to HLR/EPC HSS with reference to Fig. 2, Fig. 2.

In the present embodiment, step S10 specifically comprises step S11, step S12 and step S13; When the user data operation requests that IMS HSS receives is the single wireless voice calling continuity ability of instruction reading user, perform step S11; When the user data operation requests that IMS HSS receives upgrades conversation shift for instruction, perform step S12; When exhaling access domain selection information the end that the user data operation requests that IMS HSS receives is instruction inquiring user, perform step S13;

Step S11, the HLR/EPC HSS to user attaching sends user data read requests, and the single wireless voice calling continuity ability of user is read in request;

When IMS HSS receives the single wireless voice calling continuity ability of instruction reading user, HLR/EPC HSS then to this user attaching sends user data read requests, asks to hold from HLR/EPC HSS the single wireless voice calling continuity ability reading user.In the present embodiment, user is at execution packet switching (Packet Switching, PS) attachment or evolved packet system (Evolved Packet System, EPS) in attaching process, mobile management entity (Mobile Management Entity, or general packet radio service technology (General Packet Radio Service MME), GPRS) service node (Serving GPRS Support Node, SGSN) can to HLR/EPC HSS network element launch position update request, the single wireless voice calling continuity SRVCC ability of user is carried in request, after HLR/EPC HSS network element receives position updating request, upgrade the information of service node, the SRVCC ability of the user carried in record request, and lower slotting user contracting data is to MME or SGSN, in user contracting data, comprises the local STN-SR stored, the SRVCC ability of the user that HLR/EPC HSS stores and STN-SR for providing corresponding data manipulation result to IMS HSS after the user data operation requests receiving IMS HSS transmission.

User is in execution IMS registration process, access migration controlling functions (Access Transfer Control Function, ATCF) decision-making performs and strengthens SRVCC process, ATCF distributes a dynamic STN-SR, be recorded as vSTN-SR, and in SIP registration message, be carried to CSCF (Call Session Control Function, CSCF) network element; CSCF network element initiates the third party logon procedure to service set and application server for continuity, sends Session initiation Protocol (Session Initiation Protocol, SIP) login request message and, to SCC AS, wherein carries vSTN-SR; After SCC AS receives SIP registration request, SCC AS performs third-party registration flow process, and to IMS HSS by Sh interface user data read requests, the SRVCC ability of user is read in request.

IMS HSS sends user data read requests to the HLR/EPC HSS of user attaching, can by Mobile solution agreement (the Mobile Application Protocol of expansion, MAP) Any Time Interrogation operation (Any Time Interrogation, ATI) send a request message to HLR/EPC HSS, and HLR/EPC HSS is when responding corresponding operating result to IMS HSS, be return operating result to IMS HSS by MAP ATI response message; IMS HSS can also adopt Sh interface message user request of data (the User Data Request of standard, UDR) realize, IMS HSS is sent a request message to HLR/EPC HSS by Sh interface UDR, the SRVCC ability information of user is read in request, and the SRVCC ability information of the user that this locality stores by HLR/EPC HSS returns to IMS HSS by Sh interface user data requests (User Data Answer, UDA) response message.

Step S12, the HLR/EPC HSS to user attaching sends user data update request, and request upgrades conversation shift number;

When the user data operation requests that IMS HSS receives upgrades conversation shift for instruction, HLR/EPC HSS to user attaching sends user data update request, and request HLR/EPC HSS upgrades the local session migration number comprised in lower slotting user contracting data to the user contracting data of MME or SGSN according to distributed dynamic session migration number.In the present embodiment, IMS HSS sends user data update request to HLR/EPC HSS, can by MAP random time amendment (the Any Time Modification of expansion, ATM) send a request message to HLR/EPC HSS, and after HLR/EPC HSS amendment STN-SR information, return MAP ATM response message to IMS HSS; Also can be realized by the Sh interface message of standard, IMS HSS is by Sh interface config update request (Profile-Update-Request, PUR) send a request message to HLR/EPC HSS, and after HLR/EPC HSS amendment STN-SR information, return Sh interface config update response (Profile-Update-Answer, PUA) message to IMS HSS.

Step S13, the HLR/EPC HSS to this user attaching sends user data query request, and the end of requesting query user exhales access domain selection information.

When exhaling access domain selection information the end that the user data operation requests that IMS HSS receives is instruction inquiring user, HLR/EPC HSS to this user attaching sends user data query request, and comprising of requesting query user supports that the end of the information such as the ability of IMS voice, latest activities time and latest activities wireless access type exhales access domain selection information.IMS HSS sends user data query request to HLR/EPC HSS, and can be sent a request message to HLR/EPC HSS by MAP ATI, the T-ADS information of user is returned to IMS HSS by MAP ATI response message by HLR/EPC HSS; IMS HSS also can be sent a request message to HLR/EPC HSS by Sh interface UDR, and the T-ADS information of user is returned to IMS HSS by Sh interface UDA response message by HLR/EPC HSS.

Step S20, HLR/EPC HSS operates accordingly according to user data operation requests, and returns operating result to IMS HSS;

After the user data operation requests receiving IMS HSS transmission, HLR/EPC HSS operates accordingly according to this user data operation requests, and operating result is back to IMS HSS.

Be that the present invention realizes HLR/EPC HSS in the method for VoLTE business and returns the schematic flow sheet of operating result to the first execution mode of IMS HSS with reference to Fig. 3, Fig. 3.

In the present embodiment, step S20 comprises:

Step S21, when receiving the user data read requests reading single wireless voice calling continuity ability, the single wireless voice calling continuity ability of the user stored this locality reads response message with user data and is back to IMS HSS;

Step S22, when receiving user data update request, the conversation shift received number is sent to mobile management entity or general packet radio service node by inserting request under user data update, and receive to insert response message under the renewal from mobile management entity or general packet radio service node time, the result of inserting under conversation shift number is returned to IMS HSS with the form that user data update responds.

When HLR/EPC HSS receives the user data read requests of the single wireless voice calling continuity ability of user, the single wireless voice calling continuity SRVCC ability of the user carried in the position updating request that MME or SGSN stored this locality sends reads response message with user data and is back to IMS HSS.

When HLR/EPC HSS receives user data update request, the dynamic session migration vSTN-SR distributed by ATCF is sent to MME or SGSN, namely under MME or SGSN sends user data update, request is inserted, request is inserted to MME or SGSN by under vSTN-SR, when inserting after successful operation under MME or SGSN, to HLR/EPC HSS return be used to indicate data under insert the data of successful operation under be inserted into merit response message.

When under the renewal that HLR/EPC HSS receives from mobile management entity or general packet radio service node during slotting response message, the result of inserting under conversation shift number is returned to IMS HSS with the form that user data update responds.

Be that the present invention realizes HLR/EPC HSS in the method for VoLTE business and returns the schematic flow sheet of operating result to IMS HSS the second execution mode with reference to Fig. 4, Fig. 4.

In the present embodiment, step S20 also comprises:

Step S24, when receiving user data update request, the conversation shift number according to receiving upgrades local session migration number;

Step S25, judges whether the conversation shift that receives number and local session move number consistent, if so, then execution step S251; If not, then step S252 is performed;

Step S251, returns user data update response message to IMS HSS;

Step S252, local session migration number after upgrading is sent to mobile management entity or general packet radio service node by inserting request under user data update, and receive to insert response message under the renewal from mobile management entity or general packet radio service node time, the result of inserting under conversation shift number is returned to IMS HSS with the form that user data update responds.

When HLR/EPC HSS receives user data update request, upgrade according to the dynamic session migration vSTN-SR that ATCF distributes the local session migration STN-SR comprised in lower slotting user contracting data to the user contracting data of MME or SGSN.Then, judge that whether STN-SR and vSTN-SR is consistent, as unanimously, then by user data update response message, renewal result is back to IMS HSS; As inconsistent, then the vSTN-SR after renewal is sent to MME or SGSN, namely under MME or SGSN sends user data update, inserts request, after inserting successful operation under MME or SGSN, can return and upgrade lower slotting response message to HLR/EPC HSS, to insert successful operation under designation data; After HLR/EPC HSS receives and upgrades lower slotting response message, the result of inserting under conversation shift number is returned to IMS HSS with the form that user data update responds.

Be that the present invention realizes HLR/EPC HSS in the method for VoLTE business and returns the schematic flow sheet of operating result to the third execution mode of IMS HSS with reference to Fig. 5, Fig. 5.

In the present embodiment, step S20 also comprises:

Step S26, when receiving user data query request, under mobile management entity initiates user data query, insert request, the end of the user that the current tracking area of requesting query and current routing area upgrade exhales access domain selection information;

When HLR/EPC HSS receives user data query request, request message is inserted under MME initiates S6a Interface User data, the end of the information such as the ability comprising this User support IMS voice that the PS session of the current tracking area of requesting query (Tracking Area, TA) upgrades, latest activities time and latest activities wireless access type exhales access domain selection information; Simultaneously, request message is inserted under SGSN sends S6d Interface User data, requesting query current routing area upgrades (Route Area Update, RA) end PS session comprising the information such as the ability of this User support IMS voice, latest activities time and latest activities wireless access type exhales access domain selection information, HLR/EPC HSS sends user data query request to SGSN, what also can use MAP interface provides user profile PROVIDE SUBSCRIBER INFORMATION, PSI) operation requests message to be to reach same object.

Step S27, receive and exhale access domain selection information the end comprising the user that current tracking area and current routing area upgrade that mobile management entity returns, the end of user end of the user of more current tracing section updating exhaling access domain selection information and current routing area to upgrade exhales access domain selection information;

Step S28, exhales access domain selection information to be back to IMS HSS with user data query response message the end contacted recently.

Response message is inserted under the S6a Interface User data that HLR/EPC HSS reception MME returns, in the PS session wherein comprising current TA, the end of user exhales access domain selection information, and insert response message under the S6d Interface User data that return of SGSN, in the PS session wherein comprising current RA, the end of user exhales access domain selection information, and SGSN also can return MAP PSI to HLR/EPC HSS and operate response message and reach same object.Then, the end of the user of more current tracing section updating exhales exhale access domain selection information the end of the user of access domain selection information and current routing area renewal, and according to comparative result, exhale access domain selection information to be back to IMS HSS with user data query response message the end contacted recently.

Operating result is sent to service set and application server for continuity with user data operation response message by step S30, IMS HSS.

After IMS HSS receives the operating result returned after HLR/EPC HSS carries out corresponding operation according to user data operation requests, operating result is sent to service set and application server for continuity with user data operation response message, to indicate corresponding operating result, realize carrying out of the business relevant to VoLTE such as SRVCC with T-ADS.

The present embodiment is by after the user data operation requests of VoLTE business that receives service set and application server for continuity as IMS HSS and initiate, forward it to HLR/EPC HSS, and after operating accordingly according to user data operation requests at HLR/EPC HSS and returning operating result to IMS HSS, by IMS HSS, operating result is sent to service set and application server for continuity with user data operation response message, what achieve by between HLR/EPC HSS and IMS HSS is mutual, and the related service of VoLTE is carried out.

The present invention also provides a kind of IMS HSS.

With reference to the structural representation that Fig. 6, Fig. 6 are IMS HSS mono-embodiment of the present invention.

Request forward module 101, for receiving the user data operation requests of the VoLTE business of service set and application server for continuity initiation, is forwarded to HLR/EPC HSS by user data operation requests;

Result delivery module 102, operates for being carried out according to user data operation requests by the HLR/EPC received HSS the operating result returned accordingly, is sent to service set and application server for continuity with user data operation response message.

What receive that service set and application server for continuity SCC AS initiate as IMS HSS is used to indicate in the business relevant to VoLTE, after user data operation requests to the VoLTE business that user data operates, carry out alternately with HLR/EPC HSS, namely by request forward module 101, this user data operation requests is forwarded to HLR/EPC HSS, request HLR/EPC HSS operates user data accordingly according to user data operation requests.

In the present embodiment, the business relevant to VoLTE can comprise the single wireless voice calling continuity business of enhancing and exhale the speech businesses such as input field business eventually; When VoLTE business is the single wireless voice calling continuity business strengthened, user data operation requests can upgrade the operation requests of conversation shift number for instruction, also can be the operation requests that the single wireless voice calling continuity ability of user and instruction renewal conversation shift number are read in instruction that service set and application server for continuity are initiated; When VoLTE business is that when exhaling access domain selection business eventually, user data operation requests is the operation requests of exhaling access domain selection information end of the instruction inquiring user that service set and application server for continuity are initiated; The end of user exhales access domain selection information can comprise the ability supporting IMS voice, also the ability and latest activities time of supporting IMS voice can be comprised, also can comprise the ability and latest activities wireless access type of supporting IMS voice, the ability of support IMS voice, latest activities time and latest activities wireless access type can also be comprised.

When HLR/EPC HSS receives user data update request, the dynamic session migration vSTN-SR distributed by ATCF is sent to MME or SGSN, namely under MME or SGSN sends user data update, request is inserted, request is inserted to MME or SGSN by under vSTN-SR, when inserting after successful operation under MME or SGSN, to HLR/EPC HSS return be used to indicate data under insert the data of successful operation under be inserted into merit response message.After IMS HSS receives the operating result returned after HLR/EPC HSS carries out corresponding operation according to user data operation requests, by result delivery module 102, operating result is sent to service set and application server for continuity with user data operation response message, to indicate corresponding operating result, realize carrying out of the business relevant to VoLTE such as SRVCC with T-ADS.

In the present embodiment, request forward module 101 specifically for:

The present invention also provides a kind of HLR/EPC HSS.

With reference to the structural representation that Fig. 7, Fig. 7 are HLR/EPC HSS mono-embodiment of the present invention.

The HLR/EPC HSS that the present embodiment provides, comprising:

Result returns module 201, for operating accordingly according to user data operation requests, and returns operating result to IMS HSS.

After the user data operation requests receiving IMS HSS transmission, the result of HLR/EPC HSS returns module 201 and operates accordingly according to this user data operation requests, and operating result is back to IMS HSS.

In the present embodiment, result return module 201 specifically for:

When HLR/EPC HSS receives the user data read requests of the single wireless voice calling continuity ability of user, the single wireless voice calling continuity SRVCC ability being returned the user carried in the position updating request of MME or the SGSN transmission that this locality stores by module 201 by result is read response message with user data and is back to IMS HSS.

In the present embodiment, result return module 201 concrete also for:

The present invention also provides a kind of system realizing VoLTE business.

Reference Fig. 8, Fig. 8 are the structural representation that the present invention realizes system one embodiment of VoLTE business.

The system of VoLTE business that what the present embodiment provided realize, comprises IMS HSS and HLR/EPC HSS, wherein:

IMS HSS, for receiving the user data operation requests of the VoLTE business of service set and application server for continuity initiation, is forwarded to HLR/EPC HSS by user data operation requests; The operating result returned by HLR/EPC HSS is sent to service set and application server for continuity with user data operation response message;

HLR/EPC HSS, for operating accordingly according to user data operation requests, and returns operating result to IMS HSS.

In the present embodiment, IMS HSS specifically for:

In the present embodiment, HLR/EPC HSS is used for:

When receiving user data update request, the conversation shift received number is sent to mobile management entity or general packet radio service node by inserting request under user data update.

In the present embodiment, HLR/EPC HSS also for:

When receiving user data query request, under mobile management entity and general packet radio service node initiate user data query, insert request, the end of the user that the current tracking area of requesting query and current routing area upgrade exhales access domain selection information;

The end comprising the user that current tracking area and current routing area upgrade receiving that mobile management entity and general packet radio service node return exhales access domain selection information, and the end of user end of the user of more current tracing section updating exhaling access domain selection information and current routing area to upgrade exhales access domain selection information;

The present embodiment is by after the user data operation requests of VoLTE business that receives service set and application server for continuity as IMS HSS and initiate, forward it to HLR/EPC HSS, and after operating accordingly according to user data operation requests at HLR/EPC HSS and returning operating result to IMS HSS, by IMS HSS, operating result is sent to service set and application server for continuity with user data operation response message, achieve when HLR/EPC HSS and IMS HSS independently disposes, mutual by between HLR/EPC HSS and IMS HSS, the related service of VoLTE is carried out.

The foregoing is only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize specification of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.

Claims

1. realize a method for VoLTE business, it is characterized in that, comprise step:

2. the method realizing VoLTE business according to claim 1, is characterized in that, the user data operation requests of described VoLTE business comprises:

3. the method realizing VoLTE business according to claim 2, it is characterized in that, described IMS HSS receives the user data operation requests of the VoLTE business of service set and application server for continuity initiation, described user data operation requests is forwarded to HLR/EPC HSS and comprises:

4. the method realizing VoLTE business according to claim 3, is characterized in that, described HLR/EPC HSS operates accordingly according to described user data operation requests, and returns operating result and comprise to IMS HSS:

5. the method realizing VoLTE business according to claim 3, is characterized in that, described HLR/EPC HSS operates accordingly according to described user data operation requests, and returns operating result and also comprise to IMS HSS:

6. the method realizing VoLTE business according to claim 3, is characterized in that, described HLR/EPC HSS operates accordingly according to described user data operation requests, and returns operating result and also comprise to IMS HSS:

7. an IMS HSS, is characterized in that, comprising:

8. IMS HSS according to claim 7, is characterized in that, described request forwarding module is used for:

9. a HLR/EPC HSS, is characterized in that, comprising:

10. HLR/EPC HSS according to claim 9, is characterized in that, described result return module specifically for:

11. HLR/EPC HSS according to claim 9, is characterized in that, described result return module concrete also for:

12. HLR/EPC HSS according to claim 9, is characterized in that, described result return module concrete also for:

13. 1 kinds of systems realizing VoLTE business, comprise IMS HSS and HLR/EPC HSS, it is characterized in that, wherein:

14. systems realizing VoLTE business according to claim 13, is characterized in that, the user data operation requests of described VoLTE business comprises:

15. systems realizing VoLTE business according to claim 14, is characterized in that, described IMS HSS specifically for:

16. systems realizing VoLTE business according to claim 14, is characterized in that, described HLR/EPC HSS is used for:

17. systems realizing VoLTE business according to claim 14, is characterized in that, described HLR/EPC HSS also for:

18. systems realizing VoLTE business according to claim 14, is characterized in that, described HLR/EPC HSS also for: